Abstract: With abundance data voice traffic being transmitted across s
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DESIGN APPLICATION NOTE AN077 DESIGN APPLICATION NOTE AN077 SBB-2089 High Push-Pull CATV Amplifier
Abstract: With abundance data voice traffic being transmitted across standard cable wireless pathways ever increasing linearity requirements CATV amplifiers, there great need amplification that optimizes gain, VSWR, efficiency linearity. This application note demonstrates SBB-2089 amplifiers pushpull configuration achieve excellent CSO/CTB/XMOD performance from 50-860 MHz. Introduction: Inherent push-pull amplifiers distinct cancellation second order harmonics intermodulation products. cost Sirenza Microdevices' amplifiers, coupled with their excellent linearity, makes them easy choice high linearity CATV applications. Table contains summary performance SBB-2089 push-pull amplifier. Figures illustrate push-pull application circuit schematic layout. measurements this application note were taken system.
Symbol Parameter Freq.(MHz 1000 100-870 100-870 15.0 16.0 16.0 Min. Typ. 17.8 17.0 16.4 16.2 24.0 Units
Small Signal Gain
XMOD
Input Return Loss Output Return Loss Worst Case Over Band, Ch., Flat, +34dBmV Worst Case Over Band, Ch., Flat, +34dBmV Worst Case Over Band, Ch., Flat, +34dBmV
Table Typical Performance: VS=5V, ID=180mA TL=+25°C, Push-Pull Config.
CTB/CSO/XMOD 34dBmV/Chan., Chan., Flat
Xmod CSO+
CSO-
Freq. (MHz)
information provided herein believed reliable press time. Sirenza Microdevices assumes responsibility inaccuracies omissions. Sirenza Microdevices assumes responsibility this information, such information shall entirely user's risk. Prices specifications subject change without notice. patent rights licenses circuits described herein implied granted third party. Sirenza Microdevices does authorize warrant Sirenza Microdevices product life-support devices and/or systems. Copyright 2005 Sirenza Microdevices, Inc. worldwide rights reserved.
Technology Ct., Broomfield,
Phone: (800) SMI-MMIC
http://www.sirenza.com
EAN-104613
DESIGN APPLICATION NOTE AN077 SBB-2089 High Push-Pull CATV Amplifier
Gain Frequency
Gain (dB)
1000
Frequency (MHz)
Return Loss (dB) Frequency
Return Loss (dB)
1000
Frequency (MHz)
Technology Ct., Broomfield, 80021
Phone: (800) SMI-MMIC
http://www.sirenza.com
EAN-104613
DESIGN APPLICATION NOTE AN077 SBB-2089 High Push-Pull CATV Amplifier
1200 1200
SBB2089
8200
Macom ETC1-1-13
Macom ETC1-1-13
SBB2089
1200
1200
Figure SBB-2089 Push-Pull Schematic
Figure SBB-2089 Push-Pull Layout
Technology Ct., Broomfield, 80021
Phone: (800) SMI-MMIC
http://www.sirenza.com
EAN-104613
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